> For the complete documentation index, see [llms.txt](https://docs.perfectscale.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.perfectscale.io/product-overview/outbound-request-ports.md).

# Outbound request ports

Explore outbound request ports used by the PerfectScale Agent and Autoscaler

## API

Port 443, TCP

```
api.app.perfectscale.io:443 (https)
```

## S3

1. If you **can** enable egress to AWS S3 in **eu-central-1** by path style:<br>

   **Port 443, TCP**

   * <https://s3.eu-central-1.amazonaws.com/customer-data.prod.perfectscale.io>
   * <https://s3.dualstack.eu-central-1.amazonaws.com/customer-data.prod.perfectscale.io>
2. If you **can not** enable egress to AWS S3 in **eu-central-1** by path style:<br>

   **Port 443, TCP**

   * <https://customer-data-prod-perfectscale-io.s3.eu-central-1.amazonaws.com>
   * <https://customer-data-prod-perfectscale-io.s3.dualstack.eu-central-1.amazonaws.com>

{% hint style="info" %}
:bulb:**NOTE**: the additional configuration on the PerfectScale side is required. If the **path style is not allowed**, please contact customer support via [support@perfectscale.io](mailo:support@perfectscale.io) or our [Slack Community](https://join.slack.com/t/perfectscalecommunity/shared_invite/zt-1tu9teu9e-Z9tGt4LpNI8tUC3j8obcmQ), indicating that you need to use a virtual hosted style endpoint.
{% endhint %}

## Images Pull

To allow your kubelet to pull the PerfectScale Exporter and Autoscaler images, make sure the following domain is whitelisted for the worker node:

```
https://public.ecr.aws/perfectscale-io
```